<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"
"http://www.w3.org/TR/REC-html40/loose.dtd">
<html lang="en">
<head>
<title>aert1.0/5.2.1</title>
</head>
<body>
<table summary=
"This data table should use markup to associate multiple levels of row and column headers">
<caption>This data table should use markup to associate multiple
levels of row and column headers</caption>
<tr>
<th>ID</th>
<th colspan="2">System<br>
Color or Name</th>
<th>Required</th>
</tr>
<tr>
<td>a-1</td>
<td>blue</td>
<td></td>
<td>yes</td>
</tr>
<tr>
<td>a-2</td>
<td></td>
<td>Susan</td>
<td>yes</td>
</tr>
<tr>
<td>a-3</td>
<td>green</td>
<td></td>
<td>no</td>
</tr>
<tr>
<td>a-4</td>
<td>orange</td>
<td></td>
<td>no</td>
</tr>
<tr>
<td>a-5</td>
<td></td>
<td>Frank</td>
<td>yes</td>
</tr>
<tr>
<td>a-6</td>
<td></td>
<td>Harold</td>
<td>no</td>
</tr>
</table>
</body>
</html>
